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<?php |
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/** |
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* @package application |
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* @subpackage controllers |
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* @author marius orcsik <[email protected]> |
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* @date 2011.02.21 |
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*/ |
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namespace vsc\application\controllers; |
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use vsc\domain\models\CacheableModelA; |
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use vsc\domain\models\ModelA; |
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use vsc\infrastructure\caching\CacheableInterface; |
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use vsc\presentation\requests\HttpRequestA; |
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use vsc\presentation\responses\HttpResponseA; |
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use vsc\presentation\responses\HttpResponseType; |
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use vsc\presentation\views\ExceptionView; |
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use vsc\application\processors\ProcessorA; |
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abstract class CacheableControllerA extends FrontControllerA implements CacheableInterface { |
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public function getLastModified() { |
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return false; |
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} |
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/** |
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* @param HttpRequestA $oRequest |
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* @param ModelA $oModel |
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* @param HttpResponseA $oResponse |
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* @return HttpResponseA |
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*/ |
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public function addCacheHeaders (HttpRequestA $oRequest, ModelA $oModel, HttpResponseA $oResponse) { |
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$iExpireTime = 600; // ten minute |
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$oNow = new \DateTime('now', new \DateTimeZone('GMT')); |
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$oResponse->setDate($oNow->format('r')); |
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if (CacheableModelA::isValid($oModel)) { |
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try { |
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/** @var CacheableModelA $oModel */ |
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$sLastModified = $oModel->getLastModified(); |
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$oLastModified = new \DateTime($sLastModified, new \DateTimeZone('GMT')); |
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$oResponse->setLastModified($oLastModified->format('r')); |
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$oMax = $oLastModified->getTimestamp() > $oNow->getTimestamp() ? $oLastModified : $oNow; |
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$sModifiedSince = $oRequest->getIfModifiedSince(); |
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if (!empty ($sModifiedSince)) { |
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$oModifiedSince = new \DateTime($sModifiedSince, new \DateTimeZone('GMT')); |
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if ($oLastModified->getTimestamp() <= $oModifiedSince->getTimestamp()) { |
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$oResponse->setStatus(HttpResponseType::NOT_MODIFIED); |
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} |
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} |
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} catch (\Exception $e) { |
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$oMax = $oNow; |
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} |
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$oResponse->setExpires($oMax->add(new \DateInterval('P2W'))->format('r')); // adding 2 weeks |
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} else { |
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try { |
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$oResponse->setETag(substr(sha1($oResponse->getOutput()), 0, 8)); |
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$oResponse->setCacheControl('public, max-age=' . $iExpireTime); |
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} catch (ExceptionView $v) { |
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// |
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} |
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if (trim($oRequest->getIfNoneMatch(), '"') == trim($oResponse->getETag(), '"')) { |
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$oResponse->setStatus(HttpResponseType::NOT_MODIFIED); |
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} |
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} |
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return $oResponse; |
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} |
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/** |
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* @param HttpRequestA $oRequest |
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* @param ProcessorA $oProcessor |
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* @returns HttpResponseA |
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*/ |
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public function getResponse(HttpRequestA $oRequest, $oProcessor = null) { |
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$oResponse = parent::getResponse($oRequest, $oProcessor); |
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if (!($oResponse->isRedirect() || $oResponse->isError())) { |
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$this->addCacheHeaders($oRequest, $this->getView()->getModel(), $oResponse); |
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} |
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return $oResponse; |
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} |
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} |
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mariusor /
vsc
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.